AUDI A4 2013 – Convenience system . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2013 - Entry and start authorisation button - Convenience system central control unit - Luggage compartment aerial for entry and start system - Interior aerial 1 for entry and start system

E408	Entry and start authorisation button
J329	Terminal 15 voltage supply relay
J393	Convenience system central control unit
J519	Onboard supply control unit
J587	Selector lever sensors control unit
R137	Luggage compartment aerial for entry and start system
R138	Interior aerial 1 for entry and start system
ST2	Fuse carrier 2
SF8	Fuse 8 in fuse holder F
SF10	Fuse 10 in fuse holder F
SF11	Fuse 11 in fuse holder F
T2aj	2-pin connector
T2bv	2-pin connector
T4n	4-pin connector
T8b	8-pin connector
T10k	10-pin connector
T17o	17-pin connector
T17p	17-pin connector
T32b	32-pin connector
T32d	32-pin connector
T32e	32-pin connector
W1	Front interior light
367	Earth connection 2, in main wiring harness
B472	Connection 8, in main wiring harness
*	see applicable current flow diagram for automatic gearbox
*2	see applicable current flow diagram for fuse assignment
*3	see applicable current flow diagram for basic equipment

Wiring Diagram AUDI A4 2013 - Anti-theft alarm sensor - Alarm horn - Convenience system central control unit - Aerial amplifier 3

G578	Anti-theft alarm sensor
H12	Alarm horn
J393	Convenience system central control unit
R47	Central locking and anti-theft alarm system aerial
R112	Aerial amplifier 3
ST3	Fuse carrier 3
SC12	Fuse 12 on fuse holder C
T1as	Single connector
T1h	Single connector
T3e	3-pin connector
T4f	4-pin connector
T32c	32-pin connector
277	Earth connection 3, in interior wiring harness
370	Earth connection 5, in main wiring harness
377	Earth connection 12, in main wiring harness
B301	Positive connection 5 (30), in main wiring harness
B528	Connection 1 (LIN bus) in main wiring harness
*	see applicable current flow diagram for fuse assignment
*2	see applicable current flow diagram
*3	Only models with 2-doors
*4	According to equipment
*5	see applicable current flow diagram for MMI (information electronics)

Wiring Diagram AUDI A4 2013 - Contact sensor for front left exterior door handle - Contact sensor for front right exterior door handle - Convenience system central control unit - Left aerial for entry and start authorisation

G605	Contact sensor for front left exterior door handle
G606	Contact sensor for front right exterior door handle
J393	Convenience system central control unit
R200	Left aerial for entry and start authorisation
T2bo	2-pin connector
T2bp	2-pin connector
T2bw	2-pin connector
T27a	27-pin connector, lower part of A-pillar, driver side
T27b	27-pin connector, lower part of B-pillar, driver side
T27c	27-pin connector, lower part of A-pillar, front passenger side
T32e	32-pin connector
205	Earth connection, in driver door wiring harness
206	Earth connection, in front passenger door wiring harness
366	Earth connection 1, in main wiring harness
370	Earth connection 5, in main wiring harness
*	According to equipment

Wiring Diagram AUDI A4 2013 - Contact sensor for rear left exterior door handle - Contact sensor for rear right exterior door handle - Convenience system central control unit

G417	Contact sensor for rear left exterior door handle
G418	Contact sensor for rear right exterior door handle
J393	Convenience system central control unit
T2be	2-pin connector
T2bm	2-pin connector
T27b	27-pin connector, lower part of B-pillar, driver side
T27d	27-pin connector, lower part of B-pillar, front passenger side
T32e	32-pin connector
207	Earth connection, in rear left door wiring harness
208	Earth connection, in rear right door wiring harness
368	Earth connection 3, in main wiring harness
369	Earth connection 4, in main wiring harness

Wiring Diagram AUDI A4 2013 - Window aerial suppression filter - Heated rear window relay - Convenience system central control unit - Heated rear window single fuse - Heated rear window

C18	Window aerial suppression filter
J9	Heated rear window relay
J393	Convenience system central control unit
R178	Frequency modulation (FM) frequency filter in negative wire
R179	Frequency modulation (FM) frequency filter in positive wire
ST5	Fuse carrier 5
SF7	Fuse 7 in fuse holder F
S41	Heated rear window single fuse
T32c	32-pin connector
Z1	Heated rear window
249	Earth connection 2, in interior wiring harness
657	Earth point 1, on left near rear window
*	see applicable current flow diagram for fuse assignment
*2	Saloon
*3	Avant

Wiring Diagram AUDI A4 2013 - Contact switch in lock cylinder for rear lid - anti-theft alarm system and central locking system - Release button for rear lid lock cylinder - Convenience system central control unit - Rear lid central locking motor - Left number plate light - Right number plate light

F124	Contact switch in lock cylinder for rear lid, anti-theft alarm system and central locking system
F248	Release button for rear lid lock cylinder
J393	Convenience system central control unit
T2g	2-pin connector
T17o	17-pin connector
T32c	32-pin connector
T32d	32-pin connector
V53	Rear lid central locking motor
X4	Left number plate light
X5	Right number plate light
249	Earth connection 2, in interior wiring harness
372	Earth connection 7, in main wiring harness
B401	Connection 5 (convenience CAN bus, high), in main wiring harness
B410	Connection 5 (convenience CAN bus, low), in main wiring harness
Q22	Connection 1, in rear lid wiring harness
*	Saloon

Wiring Diagram AUDI A4 2013 - Driver door control unit

J386	Driver door control unit
ST2	Fuse carrier 2
SC8	Fuse 8 on fuse holder C
T20f	20-pin connector
T27a	27-pin connector, lower part of A-pillar, driver side
T46i	46-pin connector
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B401	Connection 5 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness
B410	Connection 5 (convenience CAN bus, low), in main wiring harness
*	see applicable current flow diagram for fuse assignment
*2	Only left-hand drive models
*3	Only right-hand drive models

Wiring Diagram AUDI A4 2013 - Operating unit for window regulator in driver door - Driver door control unit - Driver side window regulator motor

E40	Front left window regulator switch
E53	Rear left window regulator switch, in driver door
E55	Rear right window regulator switch, in driver door
E81	Front right window regulator switch in driver door
E318	Childproof lock button
E512	Operating unit for window regulator in driver door
J386	Driver door control unit
L156	Switch illumination bulb
T6am	6-pin connector
T32j	32-pin connector
V147	Driver side window regulator motor
267	Earth connection 2, in drive side door wiring harness
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness

Wiring Diagram AUDI A4 2013 - Driver side central locking lock unit - Driver door control unit

F2	Driver door contact switch
F131	Front left central locking actuator
F220	Driver side central locking lock unit
F241	Driver side contact switch in lock cylinder
F243	Driver door central locking actuator for SAFELOCK function
J386	Driver door control unit
T20f	20-pin connector
V56	Driver door central locking motor
V161	Driver door central locking SAFELOCK function motor
267	Earth connection 2, in drive side door wiring harness
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness
*	Only models with SAFELOCK function

Wiring Diagram AUDI A4 2013 - Driver door control unit - Driver door opener illumination bulb - Driver side door warning lamp - Front left entry light

J386	Driver door control unit
L108	Driver door opener illumination bulb
T32j	32-pin connector
W30	Driver side door warning lamp
W31	Front left entry light
267	Earth connection 2, in drive side door wiring harness
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness
R56	Connection (entry light), in driver door wiring harness

Wiring Diagram AUDI A4 2013 - Driver side interior locking switch - Rear lid remote release switch - Driver door control unit

E150	Driver side interior locking switch
E188	Rear lid remote release switch
J386	Driver door control unit
T32j	32-pin connector
267	Earth connection 2, in drive side door wiring harness
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness
R52	Connection (58s), in driver side door wiring harness

Wiring Diagram AUDI A4 2013 - Driver seat memory operating unit - Driver door control unit

E97	Driver seat memory operating unit
E190	Emergency-off button
E283	Driver seat memory function button
E338	Seat memory button for seat positions 1 and 2
J386	Driver door control unit
T10ae	10-pin connector
T32j	32-pin connector
267	Earth connection 2, in drive side door wiring harness
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness
R52	Connection (58s), in driver side door wiring harness
*	Driver seat with memory function

Wiring Diagram AUDI A4 2013 - Mirror adjustment switch - Mirror adjustment changeover switch - Adjustment switch for mirror with fold-in feature - Interior monitoring switch - Alarm system off switch - Driver door control unit - Central locking SAFELOCK function warning lamp

E43	Mirror adjustment switch
E48	Mirror adjustment changeover switch
E168	Adjustment switch for mirror with fold-in feature
E183	Interior monitoring switch
E217	Alarm system off switch
J386	Driver door control unit
K133	Central locking SAFELOCK function warning lamp
T32j	32-pin connector
267	Earth connection 2, in drive side door wiring harness
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness
R52	Connection (58s), in driver side door wiring harness

Wiring Diagram AUDI A4 2013 - Potentiometer for horizontal adjustment of driver side mirror - Potentiometer for vertical adjustment of driver side mirror - Driver door control unit - Driver side mirror adjustment motor - Driver side fold-in mirror motor - Driver side mirror adjustment motor

G514	Potentiometer for horizontal adjustment of driver side mirror
G515	Potentiometer for vertical adjustment of driver side mirror
J386	Driver door control unit
T8c	8-pin connector
T16m	16-pin connector
T20f	20-pin connector
T27a	27-pin connector, lower part of A-pillar, driver side
V17	Driver side mirror adjustment motor
V121	Driver side fold-in mirror motor
V149	Driver side mirror adjustment motor
Y7	Automatic anti-dazzle interior mirror
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness
B427	Connection 1 (mirror signal), in main wiring harness
B428	Connection 2 (mirror signal), in main wiring harness
*	Only models with automatic anti-dazzle interior mirror

Wiring Diagram AUDI A4 2013 - Driver door control unit - Lane change assist warning lamp in driver side exterior mirror - Driver side turn signal repeater bulb - Driver side entry light in exterior mirror - Driver side automatic anti-dazzle exterior mirror - Heated exterior mirror on driver side

J136	Seat and steering column adjustment control unit with memory
J386	Driver door control unit
K233	Lane change assist warning lamp in driver side exterior mirror
L131	Driver side turn signal repeater bulb
T2bs	2-pin connector, black
T10p	10-pin connector, red
T16m	16-pin connector
T20f	20-pin connector
T27a	27-pin connector, lower part of A-pillar, driver side
T32g	32-pin connector
W52	Driver side entry light in exterior mirror
Y20	Driver side automatic anti-dazzle exterior mirror
Z4	Heated exterior mirror on driver side
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness
*	Only models with lane change assist
*2	see applicable current flow diagram
*3	Only models with electric seat adjustment and memory function
*4	Only models with automatic anti-dazzle exterior mirror
*5	Wiring colour depends on equipment

Wiring Diagram AUDI A4 2013 - Front passenger door control unit

J387	Front passenger door control unit
ST3	Fuse carrier 3
SF9	Fuse 9 in fuse holder F
T20g	20-pin connector
T27c	27-pin connector, lower part of A-pillar, front passenger side
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness
*	see applicable current flow diagram for fuse assignment
*2	Only left-hand drive models
*3	Only right-hand drive models

Wiring Diagram AUDI A4 2013 - Front passenger side central locking lock unit - Front passenger door control unit

F3	Front passenger door contact switch
F133	Front right central locking actuator
F221	Front passenger side central locking lock unit
F244	Front passenger door central locking actuator for SAFELOCK function
J387	Front passenger door control unit
T20g	20-pin connector
V57	Front passenger seat central locking motor
V162	Front passenger door central locking SAFELOCK function motor
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness
*	Only models with SAFELOCK function

Wiring Diagram AUDI A4 2013 - Window regulator switch in front passenger door - Front passenger side interior locking switch - Front passenger door control unit - Front passenger side window regulator motor

E107	Window regulator switch in front passenger door
E198	Front passenger side interior locking switch
J387	Front passenger door control unit
L156	Switch illumination bulb
T6ao	6-pin connector
T17f	17-pin connector, brown
T20g	20-pin connector
T27c	27-pin connector, lower part of A-pillar, front passenger side
T32l	32-pin connector
T46s	46-pin connector
V148	Front passenger side window regulator motor
268	Earth connection 2, in front passenger side door wiring harness
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B407	Connection 2 (convenience CAN bus, low), in main wiring harness
R53	Connection (58s), in driver side door wiring harness
*	Only models with front passenger side interior locking switch
*2	According to equipment

Wiring Diagram AUDI A4 2013 - Front passenger door control unit - Front passenger door opener illumination bulb - Front right entry light - Front passenger side door warning lamp

J387	Front passenger door control unit
L109	Front passenger door opener illumination bulb
T32l	32-pin connector
W32	Front right entry light
W36	Front passenger side door warning lamp
268	Earth connection 2, in front passenger side door wiring harness
R57	Connection (entry light), in front passenger door wiring harness

Wiring Diagram AUDI A4 2013 - Potentiometer for horizontal adjustment of front passenger side mirror - Potentiometer for vertical adjustment of front passenger side mirror - Front passenger door control unit - Front passenger side mirror adjustment motor - Front passenger side fold-in mirror motor - Front passenger side mirror adjustment motor

G516	Potentiometer for horizontal adjustment of front passenger side mirror
G517	Potentiometer for vertical adjustment of front passenger side mirror
J387	Front passenger door control unit
T16n	16-pin connector
T20g	20-pin connector
T27c	27-pin connector, lower part of A-pillar, front passenger side
V25	Front passenger side mirror adjustment motor
V122	Front passenger side fold-in mirror motor
V150	Front passenger side mirror adjustment motor

Wiring Diagram AUDI A4 2013 - Front passenger door control unit - Lane change assist warning lamp in front passenger side exterior mirror - Front passenger side turn signal repeater bulb - Front passenger side entry light in exterior mirror - Front passenger side automatic anti-dazzle exterior mirror - Heated exterior mirror on front passenger side

J387	Front passenger door control unit
K234	Lane change assist warning lamp in front passenger side exterior mirror
L132	Front passenger side turn signal repeater bulb
T2bu	2-pin connector, black
T16n	16-pin connector
T27c	27-pin connector, lower part of A-pillar, front passenger side
W53	Front passenger side entry light in exterior mirror
Y21	Front passenger side automatic anti-dazzle exterior mirror
Z5	Heated exterior mirror on front passenger side
*	Only models with automatic anti-dazzle exterior mirror
*2	Only models with lane change assist
*3	see applicable current flow diagram
*4	Wiring colour depends on equipment

Wiring Diagram AUDI A4 2013 - Rear left door control unit

J388	Rear left door control unit
ST2	Fuse carrier 2
SC11	Fuse 11 on fuse holder C
T20h	20-pin connector
T27b	27-pin connector, lower part of B-pillar, driver side
T27d	27-pin connector, lower part of B-pillar, front passenger side
*	see applicable current flow diagram for fuse assignment
*2	Only left-hand drive models
*3	Only right-hand drive models

Wiring Diagram AUDI A4 2013 - Rear left central locking lock unit - Rear left door control unit

F10	Rear left door contact switch
F132	Rear left central locking actuator
F222	Rear left central locking lock unit
F245	Rear left door central locking actuator for SAFELOCK function
J388	Rear left door control unit
T20h	20-pin connector
V115	Rear left door central locking motor
V163	Rear left door central locking SAFELOCK function motor
*	Only models with SAFELOCK function

Wiring Diagram AUDI A4 2013 - Rear left window regulator switch - in door - Rear left interior locking switch - Rear left door control unit - Rear left window regulator motor

E52	Rear left window regulator switch, in door
E273	Rear left interior locking switch
J388	Rear left door control unit
L156	Switch illumination bulb
T6au	6-pin connector
T16o	16-pin connector
V26	Rear left window regulator motor
350	Earth connection 2, in rear left door wiring harness
R54	Connection (58s), in rear left door wiring harness
*	Only models with interior locking switch
*2	According to equipment

Wiring Diagram AUDI A4 2013 - Rear left door control unit - Rear left door opener illumination bulb - Rear left entry light - Rear left door warning lamp

J388	Rear left door control unit
L110	Rear left door opener illumination bulb
T16o	16-pin connector
W33	Rear left entry light
W37	Rear left door warning lamp
350	Earth connection 2, in rear left door wiring harness
R58	Connection (entry light), in rear left door wiring harness
*	Only right-hand drive models

Wiring Diagram AUDI A4 2013 - Rear right door control unit

J389	Rear right door control unit
ST3	Fuse carrier 3
SF11	Fuse 11 in fuse holder F
T20i	20-pin connector
T27b	27-pin connector, lower part of B-pillar, driver side
T27d	27-pin connector, lower part of B-pillar, front passenger side
*	see applicable current flow diagram for fuse assignment
*2	Only left-hand drive models
*3	Only right-hand drive models

Wiring Diagram AUDI A4 2013 - Rear right central locking lock unit - Rear right door control unit

F11	Rear right door contact switch
F134	Rear right central locking actuator
F223	Rear right central locking lock unit
F246	Rear right door central locking actuator for SAFELOCK function
J389	Rear right door control unit
T20i	20-pin connector
V97	Rear right door central locking motor
V164	Rear right door central SAFELOCK function locking motor
*	Only models with SAFELOCK function

Wiring Diagram AUDI A4 2013 - Rear right window regulator switch - in door - Rear right interior locking switch - Rear right door control unit - Rear right window regulator motor

E54	Rear right window regulator switch, in door
E274	Rear right interior locking switch
J389	Rear right door control unit
L156	Switch illumination bulb
T6av	6-pin connector
T16p	16-pin connector
V27	Rear right window regulator motor
351	Earth connection 2, in rear right door wiring harness
R55	Connection (58s), in rear right door wiring harness
*	Only models with interior locking switch
*2	According to equipment

Wiring Diagram AUDI A4 2013 - Rear right door control unit - Rear right door opener illumination bulb - Rear right entry light - Rear right door warning lamp

J389	Rear right door control unit
L111	Rear right door opener illumination bulb
T16p	16-pin connector
W34	Rear right entry light
W38	Rear right door warning lamp
351	Earth connection 2, in rear right door wiring harness
R59	Connection (entry light), in rear right door wiring harness

AUDI A4 2013 Overview of relays

Overview of relays

Overview also valid for Avant models (5-door)!

   

q	Fitting location for models from November 2011:

1 -

2 -

q	Fitting location for models with right-hand drive:

q	Fitting location for models with right-hand drive:

q	Fitting location for models with right-hand drive:

AUDI A4 2013 Relay/fuse holder with onboard supply control unit J519 Relay/fuse holder with onboard supply control unit -J519- valid up to May 2009 for models with 3.2l, 6-cylinder petrol engine without auxiliary heater 2)  Only models with start/stop system   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .

1 -	Not assigned

2 -	Circulation pump relay -J160-

2 -	Horn relay -J413-

2 -	Relay for automatic anti-dazzle interior mirror -J910-

3 -	Terminal 15 voltage supply relay -J329-

4 -	Taxi alarm remote control, control unit -J601-

4 -	Special vehicle control unit -J608-

valid up to May 2009 for models with 3.2l, 6-cylinder petrol engine without auxiliary heater 5)  Only models with start/stop system   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models .

1 -	Not assigned

2 -	Circulation pump relay -J160-

2 -	Horn relay -J413-

2 -	Relay for automatic anti-dazzle interior mirror -J910-

3 -	Terminal 15 voltage supply relay -J329-

4 -	Taxi alarm remote control, control unit -J601-

4 -	Special vehicle control unit -J608-

AUDI A4 2013 3-pin relay and fuse holder 3-pin relay and fuse holder Only models with diesel engine   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .

1 -	Auxiliary air heater control unit -J604-

2 -	Low heat output relay -J359-

3 -	High heat output relay -J360-

Only models with diesel engine   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models .

1 -	Auxiliary air heater control unit -J604-

2 -	Low heat output relay -J359-

3 -	High heat output relay -J360-

AUDI A4 2013 Relay/ fuse holder B SB Relay/fuse holder B -SB- Only models with diesel engine 10)  for models with 6-cylinder petrol engine only 12)  for models with 8-cylinder petrol engine (RS4) only   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models . t  -SB14- to -SB17- in -ST1- for models as of November 2011 only.

A -	Automatic glow period control unit -J179-

A -	Engine component current supply relay -J757-

B -	Starter motor relay -J53-

q	Position 2.1

B -	Starter motor relay 2 -J695-

q	Position 2.2

C -	Secondary air pump relay -J299-

D -	Terminal 30 voltage supply relay -J317-

D -	Motronic current supply relay -J271-

E -	Fuel pump relay -J17-

E -	Brake servo relay -J569-

E -	Relay for supplementary fuel pump -J832-

E -	Continued coolant circulation relay -J151-

E -	Additional coolant pump relay -J496-

E -	Gearbox cooling circuit relay -J696-

E -	Engine component current supply relay 2 -J976-

F -	Secondary air pump relay 2 -J545-

Only models with diesel engine 15)  for models with 6-cylinder petrol engine only 17)  for models with 8-cylinder petrol engine (RS4) only   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models . t  -SB14- to -SB17- in -ST1- for models as of November 2011 only.

A -	Automatic glow period control unit -J179-

A -	Engine component current supply relay -J757-

B -	Starter motor relay -J53-

q	Position 2.1

B -	Starter motor relay 2 -J695-

q	Position 2.2

C -	Secondary air pump relay -J299-

D -	Terminal 30 voltage supply relay -J317-

D -	Motronic current supply relay -J271-

E -	Fuel pump relay -J17-

E -	Relay for supplementary fuel pump -J832-

E -	Continued coolant circulation relay -J151-

E -	Additional coolant pump relay -J496-

E -	Gearbox cooling circuit relay -J696-

E -	Engine component current supply relay 2 -J976-

F -	Secondary air pump relay 2 -J545-

AUDI A4 2013 Relay/ fuse holder F SF up to October 2011 Relay/fuse holder F -SF- up to October 2011 Fitting location of relay/fuse holder F -SF-:

in luggage compartment, behind side trim on right 19)  for special vehicles only Position of relays saloon (4-door): A -  Not assigned B -  Battery regulation control unit -J84- C -  Heated rear window relay -J9- D -  Not assigned E -  Relay for power sockets -J807- Relay assignment Avant (5-door): A -  Heated rear window relay -J9- B -  Battery regulation control unit -J84- C -  Not assigned D -  Not assigned E -  Relay for power sockets -J807- AUDI A4 2013 Relay/ fuse holder F SF from November 2011 Relay/fuse holder F -SF- from November 2011 Location, relay/fuse holder F -SF- from November 2011: in luggage compartment, behind side trim on right 20)  for special vehicles only

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

Position of relays saloon (4-door): A -  Not assigned B -  Reducing agent metering system relay -J963- C -  Two-way radio voltage relay -J84-, discontinued from April 2012 D -  Heated rear window relay -J9- E -  Relay for power sockets -J807- Relay assignment Avant (5-door): A -  Heated rear window relay -J9- B -  Reducing agent metering system relay -J963- C -  Not assigned D -  Not assigned E -  Relay for power sockets -J807-

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

AUDI A4 2013 Overview of control units in interior of vehicle

Overview of control units in interior of vehicle

♦ Overview also valid for Avant models (5-door)!

   

q	for models without MMI

q	Location and connectors for models with right-hand drive:

6 -	Automatic anti-dazzle interior mirror -Y7- with Rain and light detector sensor -G397-

q

Location:

9 -	Rear right door control unit -J389-

q	Location: in rear right door

12 -	Fuel pump control unit -J538-

q	Location: under rear seat bench

14 -	Active steering control unit -J792-

q	Location and connectors:

q	Location and connectors for models with right-hand drive:

q	Location and connectors for models with right-hand drive:

18 -	Electronic steering column lock control unit -J764-

q	Location: on steering column

19 -	Climatronic control unit -J255-

q	Location and connectors:

20 -	Control unit for information electronics 1 -J794-

q	for models with MMI

q	Location and connectors:

q	for models with MMI:

AUDI A4 2013 Overview of control units in rear part of vehicle - saloon models (4-door) only

Overview of control units in rear part of vehicle - saloon models (4-door) only

q	Connectors:

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

q	Connector:

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

q	Connectors:

q	Overview of Avant models (5-door):

q	Connectors:

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

AUDI A4 2013 Overview of control units in rear part of vehicle - Avant models (5-door) only

Overview of control units in rear part of vehicle - Avant models (5-door) only

q	Connectors:

q	Connector:

q	Connectors:

q	Connectors:

4 -	Digital sound package control unit -J525-

q	Location: in left of luggage compartment, behind side trim.

4 -	Satellite radio -R146-

q	Location: in left of luggage compartment, behind side trim.

4 -	Navigation​ system​ with​ CD​ drive​ control​ unit​ -J401-

q	Location: in left of luggage compartment, behind side trim.

4 -	TV tuner -R78-

q	Location: in left of luggage compartment, behind side trim.

6 -	Voltage stabiliser -J532-

q	Fitting location:

AUDI A4 2013 Control unit for headlight range control J431 / control unit for bend lighting and headlight range control J745 Control unit for headlight range control -J431- / control unit for bend lighting and headlight range control -J745- Location: in front passenger footwell, behind the glove compartment

A -	Control unit for headlight range control -J431- / control unit for bend lighting and headlight range control -J745-

Connector on control unit for headlight range control -J431-:

A1 -	26-pin connector -T26b-

AUDI A4 2013 Fresh air blower control unit J126 Fresh air blower control unit -J126- Location: in front passenger footwell, behind the glove compartment

A -	Fresh air blower control unit -J126-

AUDI A4 2013 Driver door control unit J386

Driver door control unit -J386-

Location door control unit, driver side -J386- for models with left-hand drive:

In driver door.

t	Figure shows left-hand drive model.

t	Figure for right-hand drive models .

   

A -	Driver door control unit -J386-

A2 -	16-pin connector -T16m-

A4 -	6-pin connector -T6am-

.

A -	Driver door control unit -J386-

A1 -	32-pin connector -T32j-

A2 -	16-pin connector -T16m-

A3 -	20-pin connector -T20f-

A4 -	6-pin connector -T6am-

AUDI A4 2013 Front passenger door control unit J387 Front passenger door control unit -J387- Location door control unit, front passenger side -J387- for models with left-hand drive: in front passenger door   Note: t  Figure shows left-hand drive model. t  Figure for right-hand drive models .

A -	Front passenger door control unit -J387-

A2 -	16-pin connector -T16n-

A4 -	6-pin connector -T6ao-

.

A -	Front passenger door control unit -J387-

A1 -	32-pin connector -T32l-

A2 -	16-pin connector -T16n-

A3 -	20-pin connector -T20g-

A4 -	6-pin connector -T6ao-

AUDI A4 2013 Automatic anti-dazzle interior mirror Y7 with Rain and light detector sensor G397 Automatic anti-dazzle interior mirror -Y7- with Rain and light detector sensor -G397- Location: at front of roof side member.

Rain and light detector sensor -G397-

4 -	Main beam assist control unit -J844-

AUDI A4 2013 Sliding​ sunroof​ adjustment​ control​ unit J245 with sliding sunroof motor V1 Sliding​ sunroof​ adjustment​ control​ unit -J245- with sliding sunroof motor -V1- Location: in roof module, on upper front roof frame Connector:

AUDI A4 2013 Onboard supply control unit J519

Onboard supply control unit -J519-

Location onboard supply control unit -J519- for models with left-hand drive:

Driver side dash panel, bottom.

t	Figure shows left-hand drive model.

t	Figure for right-hand drive models .

   

A -	Onboard supply control unit -J519-

A2 -	17-pin connector, brown (connector E) -T17m-

A4 -	6-pin​ connector,​ green​ (connector​ G) -T6f-

A6 -	16-pin connector, brown (connector C) -T16b-

Location onboard supply control unit -J519- for models with right-hand drive:

Driver side dash panel, bottom.

t	Figure​ shows​ right-hand drive​ model.

t	Figure for left-hand drive models .

   

A -	Onboard supply control unit -J519-

A1 -	17-pin connector, black (connector D) -T17l-

A2 -	17-pin connector, brown (connector E) -T17m-

A3 -	17-pin connector, red (connector F) -T17n-

A4 -	6-pin​ connector,​ green​ (connector​ G) -T6f-

A5 -	32-pin connector, grey (connector A) -T32a-

A6 -	16-pin connector, brown (connector C) -T16b-

A7 -	32-pin connector, black (connector B) -T32b-

AUDI A4 2013 Active steering control unit J792 Active steering control unit -J792- Location: Under the carpet in the driver's footwell

4 -	Active steering control unit -J792-

Connectors:

2 -	8-pin connector, black -T8g-

AUDI A4 2013 Radio R (with integrated CD changer R41 / DVD changer R161 )

Radio -R- (with integrated CD changer -R41- / DVD changer -R161-)

Location:

in middle part dash panel.

   

A -

Radio -R-

A1 -	Connector block, consisting of:

t	8-pin connector, brown -T8k-

t	8-pin connector, black -T16l-

t	12-pin connector, green -T12a-

t	12-pin connector, blue -T12s-

1-pin connector, black -T1i- (connection DAB) / 1-pin connector, green -T1k- (connection SDARS)

A4 -	2-pin connector, white -T2df- (AM / FM1 / FM2 connection)

AUDI A4 2013 CD changer R41 / DVD changer R161 CD changer -R41- / DVD changer -R161- Location: In glove compartment.

A -	CD changer -R41- / DVD changer -R161-

A1 -	8-pin connector -T8aa-

A2 -	2-pin connector -T2dm-

AUDI A4 2013 Chip card reader control unit J676 Chip card reader control unit -J676- Location: In glove compartment.   Note: t  Figure​ shows​ right-hand drive​ model. t  for models with Japan navigation system only.

A -	Chip card reader control unit -J676-

AUDI A4 2013 Display unit for front information display and operating unit control unit J685

Display unit for front information display and operating unit control unit -J685-

Location:

Dash panel - centre.

Connector -A1- is given as an example for differing equipment versions

   

A -	Display unit for front information display and operating unit control unit -J685-

A1 -	Connector for models with MMI High up to August 2009:

t	22-pin connector, black -T22b-

A1 -	Connectors for models with MMI Basic, from September 2009:

t	8-pin connector, black -T8ai-

t	4-pin connector, white -T4ao-

A1 -	Connectors for models with MMI High from September 2009:

t	8-pin connector, black -T8ai-

t	4-pin connector, black -T4an-

A1 -	10-pin connector, red -T10u-

A1 -

AUDI A4 2013 Control unit for information electronics 1 J794

Control unit for information electronics 1 -J794-

Location:

in middle part dash panel.

   

A -	Control unit for information electronics 1 -J794-

A2 -	1-pin connector, blue -T1n-

A3 -

Vacant

A5 -	for models with -J794- basic:

t	4-pin connector, violet -T4al-

A6 -	1-pin connector, green -T1o-

A7 -	Connector block, consisting of:

t	8-pin​ connector,​ brown​ -T8ah-

t	8-pin​ connector,​ black​ -T8ao-

t	12-pin connector, blue -T12x-

t	12-pin connector, green -T12y-

AUDI A4 2013 Multimedia​ system​ operating​ unit​ E380

Multimedia​ system​ operating​ unit​ -E380-

Location:

on centre console.

   

A -	Multimedia​ system​ operating​ unit​ -E380-

AUDI A4 2013 Climatronic control unit J255

Climatronic control unit -J255-

Location:

in middle part dash panel.

   

A -	Climatronic control unit -J255-

A2 -	20-pin connector -T20e-

AUDI A4 2013 Airbag​ control​ unit​ J234 Airbag​ control​ unit​ -J234- Location: Under centre console

A -	Airbag​ control​ unit​ -J234-

AUDI A4 2013 Telephone transmitter and receiver unit R36

Telephone transmitter and receiver unit -R36-

Location:

in front right footwell.

   

A -	Telephone transmitter and receiver unit -R36-

A1 -	Connector -B- (Aerial​ for​ Bluetooth)

AUDI A4 2013 16-pin connector T16 diagnostic connection

16-pin connector -T16- diagnostic connection

Location:

Driver side dash panel, bottom.

   

A -	16-pin connector -T16- diagnostic connection

AUDI A4 2013 Data bus diagnostic interface J533 Data bus diagnostic interface -J533- Location: below the dash panel.

A -	Data bus diagnostic interface -J533-

A2 -	20-pin connector -T20d-

AUDI A4 2013 Control unit in dash panel insert J285 Control unit in dash panel insert -J285- Location: in the dash panel.

A -	Control unit in dash panel insert -J285-

AUDI A4 2013 Control units on right in luggage compartment

Control units on right in luggage compartment

   

Location: 1 -  Convenience system central control unit -J393- Connectors on convenience system central control unit -J393- → Chapter 2 -  Aerial​ amplifier​ for​ mobile​ telephone -R86- 3 -  Electronically controlled damping control unit -J 250- Connector on electronically controlled damping control unit -J250- 4 -  Reversing camera system control unit -J772- 5 -  Trailer detector control unit -J345- Connectors on trailer detector control unit -J345- 6 -  Park assist steering control unit -J791- Connectors on park assist steering control unit -J791- 7 -  Control​ unit​ for​ electromechanical​ parking​ brake -J540-

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

Connectors on convenience system central control unit -J393-

2 -	32-pin connector, black (connector B) -T32c-

4 -	32-pin connector, blue (connector F) -T32e-

5 -	6-pin​ connector​ (connector​ G) -not assigned-

7 -	1-pin​ connector,​ grey​ (connector​ D) -T1h-

Connector on electronically controlled damping control unit -J250-

A -	Electronically controlled damping control unit -J 250-

Connector:

Connectors on trailer detector control unit -J345-

A -	Trailer detector control unit -J345-

Connectors:

C -	12-pin connector, red -T12d-

Connectors on Parallel​ Parking​ Assistance​ Control​ Module -J791-

B -	12-pin connector, brown -T12e-

AUDI A4 2013 All-wheel drive control unit J492

All-wheel drive control unit -J492-

.

   

1 -	All-wheel drive control unit -J492-

Location for Avant (5-door) models:

on right wheel housing.

t	Figure shows Avant (5-door) model.

t	Figure for saloon (4-door) model .

   

1 -	All-wheel drive control unit -J492-

2 -	47-pin connector -T47b-

AUDI A4 2013 Voltage stabiliser J532 Voltage stabiliser -J532- Location: In spare wheel recess, on left next to battery.

1 -	Voltage stabiliser -J532-

AUDI A4 2013 Battery​ monitor​ control​ unit​ J367

Battery​ monitor​ control​ unit​ -J367-

Location:

at negative terminal of battery -A-.

   

3 -	2-pin connector -T2x-

AUDI A4 2013 Overview of fuses

Overview of fuses

Overview also valid for Avant models (5-door)!

   

Fuse holder A -SA-

q	Fitting location:

1 -	Battery isolation relay fuse -S171-

q	Fitting location next to second battery

q	Fitting location for models with right-hand drive, up to and including model year 2009:

q	Fitting location for models with left-hand drive, from model year 2010:

q	Fitting location for models with right-hand drive, from model year 2010:

q	Fitting location for models with left-hand drive, from November 2011:

q	Fitting location for models with right-hand drive, from November 2011:

q	Fitting location for models with right-hand drive:

6-pin coupling station of A-pillar, driver side

q	Fitting location for models with left-hand drive:

q	Fitting location for models with right-hand drive:

3-pin relay and fuse holder

q	Fitting location for models with left-hand drive:

q	Fitting location for models with right-hand drive:

Relay/fuse holder B -SB-

q	Fitting location for models with left-hand drive, up to October 2011:

q	Fitting location for models with right-hand drive, up to October 2011:

q	Fitting location for models with left-hand drive, from November 2011:

q	Fitting location for models with right-hand drive, from November 2011:

Terminal 30 wiring junction 2 -TV22- with jump start socket -U6-

q	Fitting location up to October 2011:

q	Fitting location from November 2011:

6-pin coupling station of A-pillar, front passenger side

q	Fitting location for models with left-hand drive:

q	Fitting location for models with right-hand drive:

q	Fitting location for models with right-hand drive:

Relay/fuse holder F -SF-

q	Fitting location up to and including model year 2009:

q	Fitting location from model year 2010:

q	Fitting location from November 2011:

AUDI A4 2013 Fuse holder A SA Fuse holder A -SA- Fitting location: on battery positive pole, in luggage compartment

A -	Battery isolation igniter -N253-

1 -	Fuse 1 on fuse holder A -SA1-,

2 -	Fuse 2 on fuse holder A -SA2-,

3 -	Fuse 3 on fuse holder A -SA3-,

for models with left-hand drive only 2)  30 3 - Fuse 3 on fuse holder A -SA3- 40 A 50 A 110 A 80 A - Driving school option Rental car option Public authority option Fuse 1 for ABS control unit -S123- Fuse 2 for ABS control unit -S124- Fuse 3 for ABS control unit -S137- 30 AUDI A4 2013 Relay/ fuse​ holder​ B SB up to October 2011 Relay/fuse​ holder​ B -SB- up to October 2011 Location, relay/fuse holder B -SB- for models with left-hand drive, up to October 2011: In electronics box in plenum chamber, driver side 3)  for models with 6-cylinder diesel engine only 5)  .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car K -  Engine glow plug strip fuse -S39-, 60 A K -  Engine glow plug strip fuse -S39-, 80 A K -  Secondary​ air​ pump​ fuse -S130-, 50 A L -  NOx​ sender​ fuse​ -S360-, 5 A ST1 -  Fuse carrier 1, fuses for models with 4-cylinder diesel engine only 7)  for models with 6-cylinder petrol engine only   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car K -  Engine glow plug strip fuse -S39-, 60 A K -  Engine glow plug strip fuse -S39-, 80 A K -  Secondary​ air​ pump​ fuse -S130-, 50 A L -  NOx​ sender​ fuse​ -S360-, 5 A ST1 -  Fuse carrier 1, fuses for models with 4-cylinder petrol engine (1.8 l TFSI) only 10)  for models with 6-cylinder petrol engine (3.2 l FSI) only 12)  for models with 4-cylinder diesel engine (2.0 l TDI) only 14)  for models with 4-cylinder diesel engine (2.0 l TDI - gen. 2) 16)  15 A 15 A 15 A 15 A 15 A 15 A 20 A - Air mass meter -G70- Automatic glow period control unit -J179- Secondary air pump relay -J299- Throttle valve control unit -J338- Low heat output relay -J359- High heat output relay -J360- Charge pressure control solenoid valve -N75- Crankcase breather heater element -N79- Activated charcoal filter solenoid valve 1 -N80- Secondary air injection valve -N112- Left electrohydraulic engine mounting solenoid valve -N144- Right electrohydraulic engine mounting solenoid valve -N145- Variable intake manifold changeover valve -N156- Air filter bypass flap valve -N275- Fuel pressure regulating valve -N276- Fuel metering valve -N290- Secondary air injection valve 2 -N320- Exhaust gas recirculation cooler changeover valve -N345- Oil pressure control valve -N428- Fuel system diagnostic pump -V144- 87 6   Fuse 6 on fuse holder B -SB6- 15 A - Engine control unit -J623- 87 7   Fuse 7 on fuse holder B -SB7- 10 A 10 A 10 A 10 A 10 A 10 A 15 A 15 A - Actuator 1 for camshaft adjustment -F366- t  up to Actuator 8 for camshaft adjustment -F373- Actuator 9 for camshaft adjustment -F374- t  up to Actuator 12 for camshaft adjustment -F377- Continued coolant circulation relay -J151- Additional​ coolant​ pump​ relay -J496- Charge pressure control solenoid valve -N75- Activated charcoal filter solenoid valve 1 -N80- Left electrohydraulic engine mounting solenoid valve -N144- Right electrohydraulic engine mounting solenoid valve -N145- Camshaft control valve 1 -N205- Camshaft control valve 2 -N208- Turbocharger air recirculation valve -N249- Fuel pressure regulating valve -N276- Fuel metering valve -N290- Intake manifold flap valve -N316- Exhaust camshaft control valve 1 -N318- Exhaust camshaft control valve 2 -N319- Climatronic coolant shut-off valve -N422- Oil pressure control valve -N428- Fuel system diagnostic pump -V144- Charge air cooling pump -V188- 87 8   Fuse 8 on fuse holder B -SB8- 5 A 10 A 10 A 10 A 20 A 20 A 20 A 20 A - Exhaust gas recirculation cooler pump -V400- Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Ignition coil 5 with output stage -N323- Ignition coil 6 with output stage -N324- 87 9   Fuse 9 on fuse holder B -SB9- 5 A 15 A 15 A 20 A 20 A 20 A - Supplementary fuel pump relay -J832- Lambda probe 1 heater after catalytic converter -Z29- Lambda probe 2 heater after catalytic converter -Z30- 87 10   Fuse 10 on fuse holder B -SB10- 10 A 15 A 15 A 15 A 15 A 15 A 15 A - Lambda probe heater -Z19- Lambda probe heater 2 -Z28- Lambda probe 1 heater after catalytic converter -Z29- 87 11   Fuse 11 on fuse holder B -SB11- 5 A - Radiator fan control unit -J293- Radiator fan control unit 2 -J671- 87 12 - Fuse 12 on fuse holder B -SB12- 5 A - Air mass meter -G70- Automatic gearbox control unit -J217- Mechatronic unit for dual clutch gearbox -J743- 15 AUDI A4 2013 Relay/ fuse holder B SB from November 2011 Relay/fuse holder B -SB- from November 2011 for models with 4-cylinder diesel engine only 18)  for models with 6-cylinder petrol engine only   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car K -  Engine glow plug strip fuse -S39-, 60 A K -  Engine glow plug strip fuse -S39-, 80 A K -  Secondary​ air​ pump​ fuse -S130-, 50 A ST1 -  Fuse carrier 1, fuses for models with 4-cylinder diesel engine only 21)  for models with 6-cylinder petrol engine only 23)  .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car K -  Engine glow plug strip fuse -S39-, 60 A K -  Engine glow plug strip fuse -S39-, 80 A K -  Secondary​ air​ pump​ fuse -S130-, 50 A L -  Secondary​ air​ pump​ fuse 2 -S284-, 50 A ST1 -  Fuse carrier 1, fuses for models with 4-cylinder petrol engine (1.8 l TFSI gen. 2) 25)  for models with 4-cylinder petrol engine (2.0 l TFSI) only 27)  for models with 4-cylinder diesel engine (2.0 l TDI) only 29)  for models with 6-cylinder diesel engine (3.0 l TDI BIN 5) only 31)  for models with 8-cylinder petrol engine only (for RS 4 only) 33)  5 A 7.5 A 10 A 10 A 10 A - Air mass meter -G70- Fuel pressure regulating valve -N276- Fuel metering valve -N290- Magnetic clutch for supercharger -N421- 87 6   Fuse 6 on fuse holder B -SB6- 15 A - Engine control unit -J623- Injector 2, cylinder 1 -N532- Injector 2, cylinder 2 -N533- Injector 2, cylinder 3 -N534- Injector 2, cylinder 4 -N535- Activated charcoal filter solenoid valve 1 -N80- Secondary air inlet valve -N112- Oil pressure control valve -N428- Actuator for engine temperature regulation -N493- Engine oil cooler valve -N554- Charge pressure positioner 2 -V546- 87 7   Fuse 7 on fuse holder B -SB7- 10 A 10 A 10 A 10 A - Actuator 1 for camshaft adjustment -F366- Actuator 2 for camshaft adjustment -F367- Actuator 3 for camshaft adjustment -F368- Actuator 4 for camshaft adjustment -F369- Actuator 5 for camshaft adjustment -F370- Actuator 6 for camshaft adjustment -F371- Actuator 7 for camshaft adjustment -F372- Actuator 8 for camshaft adjustment -F373- Charge pressure control solenoid valve -N75- Activated charcoal filter solenoid valve 1 -N80- Left electrohydraulic engine mounting solenoid valve -N144- Right electrohydraulic engine mounting solenoid valve -N145- Camshaft control valve 1 -N205- Camshaft control valve 2 -N208- Exhaust flap valve -N220- Turbocharger air recirculation valve -N249- Fuel pressure regulating valve -N276- Fuel metering valve -N290- Intake manifold flap valve -N316- Exhaust camshaft control valve 1 -N318- Exhaust camshaft control valve 2 -N319- Climatronic coolant shut-off valve -N422- Oil pressure control valve -N428- Coolant valve for gearbox -N488- Piston cooling jet control valve -N522- Continued coolant circulation pump -V51- Pump for exhaust gas recirculation cooler -V400- 87 8   Fuse 8 on fuse holder B -SB8- 5 A 5 A 7.5 A 10 A 15 A - NOx sender 2 -G687- Control unit for NOx sender 2 -J881- Brake servo relay -J569- NOx sender -G295- Particulate sensor -G784- Control unit for NOx sender -J583- Left electrohydraulic engine mounting solenoid valve -N144- Right electrohydraulic engine mounting solenoid valve -N145- Secondary air pump relay -J299- Charge air cooling pump -V188- 87 9   Fuse 9 on fuse holder B -SB9- 5 A - Voltage stabiliser -J532- Engine control unit -J623- 87 10   Fuse 10 on fuse holder B -SB10- 5 A 10 A 10 A 15 A 15 A 15 A 15 A - Lambda probe heater -Z19- Lambda probe heater 2 -Z28- Lambda probe 1 heater after catalytic converter -Z29- Power steering control unit -J500- 87 11   Fuse 11 on fuse holder B -SB11- 5 A - Radiator fan control unit -J293- Radiator fan control unit 2 -J671- 87 12   Fuse 12 on fuse holder B -SB12- 5 A - Automatic gearbox control unit -J217- Mechatronic unit for dual clutch gearbox -J743- 87 13   Fuse 13 on fuse holder B -SB13- 15 A - - only for : Injector 2, cylinder 1 -N532- Injector 2, cylinder 2 -N533- Injector 2, cylinder 3 -N534- Injector 2, cylinder 4 -N535- Injector 2,cylinder 5 -N536- Injector 2, cylinder 6 -N537-   14   Fuse 14 on fuse holder B -SB14- 5 A 20 A 20 A 20 A 20 A 20 A 30A - Engine component current supply relay 2 -J976- Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Ignition coil 5 with output stage -N323- Ignition coil 6 with output stage -N324- Ignition coil 7 with output stage -N325- Ignition coil 8 with output stage -N326- Climatronic coolant shut-off valve -N422- Pump for exhaust gas recirculation cooler -V400- 87 15   Fuse 15 on fuse holder B -SB15- 5 A 20 A - Power steering control unit -J500- , not for Lambda probe heater -Z19-, only for Lambda probe heater 2 -Z28-, only for 87 16   Fuse 16 on fuse holder B -SB16- 15 A 25 A - Map-controlled engine cooling system thermostat -F265- Automatic glow period control unit -J179- Secondary air pump relay -J299- Low heat output relay -J359- High heat output relay -J360- Additional coolant pump relay -J496- Secondary air pump 2 relay -J545- Gearbox cooling circuit relay -J696- Charge pressure control solenoid valve -N75- Heater element for crankcase breather -N79- Activated charcoal filter solenoid valve 1 -N80- Secondary air inlet valve -N112- Left electrohydraulic engine mounting solenoid valve -N144- Right electrohydraulic engine mounting solenoid valve -N145- Air filter bypass flap valve -N275- Intake manifold flap valve -N316- Secondary air inlet valve 2 -N320- Exhaust gas recirculation cooler changeover valve -N345- Oil pressure control valve -N428- Coolant valve for gearbox -N488- Coolant valve for cylinder head -N489- Actuator for engine temperature regulation -N493- Coolant circulation pump -V50- Charge air cooling pump -V188- Crankcase breather valve -V546- Engine control unit -J623- 87 17   Fuse 17 on fuse holder B -SB17- 15 A 20 A - Lambda probe 1 heater after catalytic converter -Z29- Lambda probe 2 heater after catalytic converter -Z30- 87 AUDI A4 2013 Fuse holder C SC up to model year 2009 Fuse holder C -SC- up to model year 2009 Location fuse holder C -SC- up to model year 2009 for models with left-hand drive: Below the dash panel cover, driver side   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses Fuses in fuse carrier ST2 on fuse holder C -SC- (brown) 34)  Only models with diesel engine     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder C -SC1- 5 A - Circulation pump relay -J160- 87 2 - Fuse 2 on fuse holder C -SC2- 5 A - Clutch pedal switch -F36- Clutch pedal switch for engine start -F194- Clutch position sender -G476- 87 3 - Fuse 3 on fuse holder C -SC3- 20 A 25 A - Fuel system pressurisation pump -G6- Fuel pump control unit -J538- 87 4 - Fuse 4 on fuse holder C -SC4- 5 A - Circulation pump relay -J160- 15 5 - Fuse 5 on fuse holder C -SC5- 30 A - Onboard supply control unit -J519- 30 6 - Fuse 6 on fuse holder C -SC6- 10 A - ABS control unit -J104- 30 7 - Fuse 7 on fuse holder C -SC7- 25 A - Horn relay -J413- 30 8 - Fuse 8 on fuse holder C -SC8- 30 A - Driver door control unit -J386- Rear left door control unit -J388- 30 9 - Fuse 9 on fuse holder C -SC9- 30 A - Wiper motor control unit -J400- 30 10 - Fuse 10 on fuse holder C -SC10- 25 A - ABS control unit -J104-4 30 11 - Fuse 11 on fuse holder C -SC11- 15 A - Driver door control unit -J386- Rear left door control unit -J388- 30 12 - Fuse 12 on fuse holder C -SC12- 5 A - Rain and light sensor -G397- 30 AUDI A4 2013 Fuse holder C SC from model year 2010 Fuse holder C -SC- from model year 2010 .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses Fuses in fuse carrier ST2 on fuse holder C -SC- (brown) 36)  for models with diesel engine (without J538) only 38)  for models with left-hand drive only 40)  for models with seat ventilation only     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder C -SC1- 5 A - Automatic anti-dazzle interior mirror -Y7- 15 2 - Fuse 2 on fuse holder C -SC2- 5 A - Clutch position sender -G476- 87 3 - Fuse 3 on fuse holder C -SC3- 20 A 25 A 25 A - Fuel system pressurisation pump -G6- Fuel pump control unit -J538- 87 4 - Fuse 4 on fuse holder C -SC4- 10 A - Circulation pump relay -J160- Pump for reducing agent -V437- 15 5 - Fuse 5 on fuse holder C -SC5- 15 A 30 A - Onboard supply control unit -J519- 30 6 - Fuse 6 on fuse holder C -SC6- 10 A - ABS control unit -J104- 30 7 - Fuse 7 on fuse holder C -SC7- 25 A - Horn relay -J413- 30 8 - Fuse 8 on fuse holder C -SC8- 30 A - Left doors 30 9 - Fuse 9 on fuse holder C -SC9- 30 A - Wiper motor control unit -J400- 30 10 - Fuse 10 on fuse holder C -SC10- 25 A - ABS control unit -J104- 30 11 - Fuse 11 on fuse holder C -SC11- 15 A - Left doors 30 12 - Fuse 12 on fuse holder C -SC12- 5 A - Rain and light sensor -G397- 30 AUDI A4 2013 Fuse holder C SC from November 2011 Fuse holder C -SC- from November 2011 .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses Fuses in fuse carrier ST2 on fuse holder C -SC- (brown) 42)  for models with seat ventilation only     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder C -SC1- - Not assigned 2 - Fuse 2 on fuse holder C -SC2- 5 A - Brake light switch -F- 87 3 - Fuse 3 on fuse holder C -SC3- 25 A - Fuel pump control unit -J538- 87 4 - Fuse 4 on fuse holder C -SC4- 5 A - Clutch position sender -G476- Pressure sender for reducing agent metering system -G686- Control unit for reducing agent metering system -J880- Pump for reducing agent -V437- Heater for reducing-agent pump -Z103- 87 5 - Fuse 5 on fuse holder C -SC5- 15 A 30 A - Onboard supply control unit -J519- Control unit for front left seat ventilation -J800- 30 6 - Fuse 6 on fuse holder C -SC6- 5 A - ABS control unit -J104- 30 7 - Fuse 7 on fuse holder C -SC7- 15 A - Treble horn -H2- Bass horn -H7- Horn relay -J413- 30 8 - Fuse 8 on fuse holder C -SC8- 30 A - Front left door 30 9 - Fuse 9 on fuse holder C -SC9- 30 A - Wiper motor control unit -J400- 30 10 - Fuse 10 on fuse holder C -SC10- 25 A - ABS control unit -J104- 30 11 - Fuse 11 on fuse holder C -SC11- 30 A - Rear left door 30 12 - Fuse 12 on fuse holder C -SC12- 5 A - Rain and light sensor -G397- 30 AUDI A4 2013 Fuse holder D SD Fuse holder D -SD- Location fuse holder D -SD- for models with left-hand drive: Below the dash panel cover, front passenger side   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .

ST1 -

Fuse carrier 1, fuses

ST2 -

Fuse carrier 2, fuses

A -	46-pin connector, black, CAN disconnector, dash panel -T46s-

.

ST1 -

Fuse carrier 1, fuses

ST2 -

Fuse carrier 2, fuses

A -	46-pin connector, black, CAN disconnector, dash panel -T46s-

applicable up to October 2011

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder D -SD1-		-	Not assigned
2	-	Fuse 2 on fuse holder D -SD2-		-	Not assigned
3	-	Fuse 3 on fuse holder D -SD3-		-	Not assigned
4	-	Fuse 4 on fuse holder D -SD4-		-	Not assigned
5	-	Fuse 5 on fuse holder D -SD5-	5 A	-	Steering column electronics control unit -J527-	15
6	-	Fuse 6 on fuse holder D -SD6-	5 A	-	TCS and ESP button -E256- Parking aid button -E266-	15
7	-	Fuse 7 on fuse holder D -SD7-	5 A	-	16-pin connector -T16-, diagnostic connector	15
8	-	Fuse 8 on fuse holder D -SD8-	5 A	-	Data bus diagnostic interface -J533-	15
9	-	Fuse 9 on fuse holder D -SD9-	5 A	-	High heat output relay -J360-	15
10	-	Fuse 10 on fuse holder D -SD10-		-	Not assigned
11	-	Fuse 11 on fuse holder D -SD11-		-	Not assigned
12	-	Fuse 12 on fuse holder D -SD12-		-	Not assigned

for models with radio (CAN) with external amplifier only 46)  for models with radio chorus and sound system Basic (from November 2009) only 48)  applicable up to October 2011

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder D -SD1-	5 A	-	CD changer -R41- DVD changer -R161- Connection for external audio sources -R199-	30
2	-	Fuse 2 on fuse holder D -SD2-	5 A	-	Switch module for driving mode selection -E592-	30
3	-	Fuse 3 on fuse holder D -SD3-	5 A 5 A 20 A 20 A	-	Display unit for front information display and operating unit control unit -J685- Control unit 1 for information electronics -J794- Radio -R-	30
4	-	Fuse 4 on fuse holder D -SD4-	5 A	-	Control unit in dash panel insert -J285-	30
5	-	Fuse 5 on fuse holder D -SD5-	5 A	-	Data bus diagnostic interface -J533-	30
6	-	Fuse 6 on fuse holder D -SD6-	5 A	-	Entry and start authorisation switch -E415-	30
7	-	Fuse 7 on fuse holder D -SD7-	5A	-	Light switch -E1-
8	-	Fuse 8 on fuse holder D -SD8-	40 A	-	Fresh air blower control unit -J126-	30
9	-	Fuse 9 on fuse holder D -SD9-	5 A	-	Control unit for electronic steering column lock -J764-	30
10	-	Fuse 10 on fuse holder D -SD10-	10 A	-	Climatronic control unit -J255-	30
11	-	Fuse 11 on fuse holder D -SD11-	10 A	-	16-pin connector -T16-, diagnostic connector	30
12	-	Fuse 12 on fuse holder D -SD12-	5 A	-	Steering column electronics control unit -J527-	30

AUDI A4 2013 Relay/ fuse holder F SF up to model year 2009 Relay/fuse holder F -SF- up to model year 2009 Location, relay/fuse holder F -SF- up to model year 2009: in luggage compartment, behind side trim on right

ST1 -

Fuse carrier 1, fuses

ST2 -

Fuse carrier 2, fuses

ST3 -

Fuse carrier 3, fuses

ST4 -

Fuse carrier 4, fuses

ST5 -

Fuse carrier 5, fuses

H -	Heated rear window single fuse -S41-

Fuses in fuse carrier ST2 on fuse holder F -SF- (black) No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder F -SF1- 5 A - Tyre pressure monitor control unit -J502- 30 2 - Fuse 2 on fuse holder F -SF2- 15 A - Trailer detector control unit -J345- 30 3 - Fuse 3 on fuse holder F -SF3- 20 A - Trailer detector control unit -J345- 30 4 - Fuse 4 on fuse holder F -SF4- 20 A - Trailer detector control unit -J345- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A - Electromechanical parking brake button -E538- 30 6 - Fuse 6 on fuse holder F -SF6- 15 A - Electronically controlled damping control unit -J250- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Control unit for electromechanical parking brake -J540- 30 8 - Fuse 8 on fuse holder F -SF8- 30 A - Convenience system central control unit -J393- 30 9 - Fuse 9 on fuse holder F -SF9- 35 A - All-wheel drive control unit -J492- 30 10 - Fuse 10 on fuse holder F -SF10- 30 A - Convenience system central control unit -J393- 30 11 - Fuse 11 on fuse holder F -SF11- 20 A - Convenience system central control unit -J393- 30 12 - Fuse 12 on fuse holder F -SF12- 5 A - Interface control unit for vehicle location system -J843- 30 no longer fitted, phased-in modification 51)  30 A - DC/AC converter with socket, 12 V-230 V -U13- 30 2 - Fuse 2 on fuse holder F -SF2- 15 A - Front right seat ventilation control unit -J799- 30 3 - Fuse 3 on fuse holder F -SF3- 7.5 A - Navigation system with CD drive control unit -J401- Radio -R- Telephone transmitter and receiver unit -R36- TV tuner -R78- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- Satellite radio -R146- Digital radio -R147- 18-pin connector, black -T18a- 30 4 - Fuse 4 on fuse holder F -SF4- 30 A - Digital sound package control unit -J525- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A - Control unit for front display and information control panel -J523- 30 6 - Fuse 6 on fuse holder F -SF6- 30 A - Auxiliary heater control unit -J364- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Control unit for electromechanical parking brake -J540- 30 8 - Fuse 8 on fuse holder F -SF8- 30 A - Heated rear left seat switch with regulator -E128- Heated rear right seat switch with regulator -E129- 30 9 - Fuse 9 on fuse holder F -SF9- 30 A - Front passenger door control unit -J387- Rear right door control unit -J389- 30 10 - Fuse 10 on fuse holder F -SF10- 5 A - Remote control receiver for auxiliary heater -R64- 30 11 - Fuse 11 on fuse holder F -SF11- 15 A - Front passenger door control unit -J387- Rear right door control unit -J389- 30 12 - Fuse 12 on fuse holder F -SF12- 5 A - Reversing camera system control unit -J772- 30 Fuses in fuse carrier ST5 on fuse holder F -SF- (black) 52)  for civil models (F4J, F4Z) only 54)  for vehicles with preparation for disabled persons (F6M) only 56)  15 A 15 A 15 A 25 A - Special vehicle control unit -J608- Special vehicle control unit -J608- Signal system control unit -J616- 30 4 - Fuse 4 on fuse holder F -SF4- 15 A 15 A 10 A - Signal system control unit -J616- Two-way radio -R8- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A 5 A 15 A - Chip card reader -D8- Operating unit for special signals -E507- Signal system control unit -J616- 30 6   Fuse 6 on fuse holder F -SF6- 10 A - Chip card reader -D8- Operating unit for special signals -E507- Taximeter -G41- Taxi alarm remote control, control unit -J601- Special vehicle control unit -J608- Signal system control unit -J616- 15 7   Fuse 7 on fuse holder F -SF7- 5 A 20 A 20 A - Taxi alarm remote control, control unit -J601- Special vehicle control unit -J608- 30 8   Fuse 8 on fuse holder F -SF8- 10 A - Tachograph control unit -J621- Data transmission control unit -J753- Accident data memory 30 9   Fuse 9 on fuse holder F -SF9- 10 A - 12 V socket 4 -U20- 30 10   Fuse 10 on fuse holder F -SF10- 10 A - Battery regulation control unit -J84- 30 11   Fuse 11 on fuse holder F -SF11- 10 A - Battery regulation control unit -J84- 30 12 - Fuse 12 on fuse holder F -SF12-   - Not assigned AUDI A4 2013 Relay/ fuse holder F SF from model year 2010 Relay/fuse holder F -SF- from model year 2010 Location, relay/fuse holder F -SF- from model year 2010: in luggage compartment, behind side trim on right     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, ST2 -  Fuse carrier 2, ST3 -  Fuse carrier 3, ST4 -  Fuse carrier 4, ST5 -  Fuse carrier 5, H -  Heated rear window single fuse -S41- for civil vehicles: NEF - version (F4Z) only 58)  25 A - Signal system control unit -J616- 30 4 - Fuse 4 on fuse holder F -SF4- 15 A - Signal system control unit -J616- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A 15 A - Operating unit for special signals -E507- Signal system control unit -J616- 30 6 - Fuse 6 on fuse holder F -SF6- 3 A - Operating unit for special signals -E507- Signal system control unit -J616- Tachograph control unit -J621- 3-pin connector -T3d- Crash data recorder 15 7 - Fuse 7 on fuse holder F -SF7- 20 A - Special vehicle control unit -J608- 30 8 - Fuse 8 on fuse holder F -SF8- 10 A - Crash data recorder 30 9 - Fuse 9 on fuse holder F -SF9- 10 A - 12 V socket 4 -U20- 30 10 - Fuse 10 on fuse holder F -SF10- 10 A - Battery regulation control unit -J84- 30 11 - Fuse 11 on fuse holder F -SF11- 10 A - Battery regulation control unit -J84- 30 12 - Fuse 12 on fuse holder F -SF12-   - Not assigned Fuses in fuse carrier ST3 on fuse holder F -SF- (brown) No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder F -SF1- 30 A - Rear lid control unit -J605- 30 2 - Fuse 2 on fuse holder F -SF2- 15 A - Front right seat ventilation control unit -J799- 30 3 - Fuse 3 on fuse holder F -SF3- 40 A - Radio -R- Telephone transmitter and receiver unit -R36- TV tuner -R78- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- 18-pin connector, black -T18a- 30 4 - Fuse 4 on fuse holder F -SF4- 40 A - Voltage stabiliser -J532- 30 5 - Fuse 5 on fuse holder F -SF5- 30 A - DC/AC converter with socket, 12 V-230 V -U13- 30 6 - Fuse 6 on fuse holder F -SF6- 30 A - Auxiliary heater control unit -J364- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Control unit for electromechanical parking brake -J540- 30 8 - Fuse 8 on fuse holder F -SF8- 30 A - Heated rear left seat switch with regulator -E128- Heated rear right seat switch with regulator -E129- 30 9 - Fuse 9 on fuse holder F -SF9- 30 A - Right doors 30 10 - Fuse 10 on fuse holder F -SF10- 5 A - Remote control receiver for auxiliary heater -R64- 30 11 - Fuse 11 on fuse holder F -SF11- 15 A - Right doors 30 12 - Fuse 12 on fuse holder F -SF12- 30 A - Control unit for reducing agent metering system -J880- 30 Fuses in fuse carrier ST5 on fuse holder F -SF- (black) 59)  applicable up to April 2010 61)  30 A - Digital sound package control unit -J525- Radio -R- 30 4 - Fuse 4 on fuse holder F -SF4- 7.5 A - Control unit 1 for information electronics -J794- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A 7.5 A - Navigation system with CD drive control unit -J401- Radio -R- Telephone transmitter and receiver unit -R36- TV tuner -R78- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- 18-pin connector, black -T18a- 30 6 - Fuse 6 on fuse holder F -SF6- 5 A - Reversing camera system control unit -J772- 30 7 - Fuse 7 on fuse holder F -SF7- 5 A - Aerial amplifier for mobile telephone -R86- 30 8 - Fuse 8 on fuse holder F -SF8-   - Not assigned   9 - Fuse 9 on fuse holder F -SF9-   - Not assigned   10 - Fuse 10 on fuse holder F -SF10-   - Not assigned   11 - Fuse 11 on fuse holder F -SF11-   - Not assigned 12 - Fuse 12 on fuse holder F -SF12-   - Not assigned AUDI A4 2013 Relay/ fuse holder F SF from November 2011 Relay/fuse holder F -SF- from November 2011 Location, relay/fuse holder F -SF- from November 2011: in luggage compartment, behind side trim on right 62)  only for saloon models (4-door)     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, ST2 -  Fuse carrier 2, ST3 -  Fuse carrier 3, ST4 -  Fuse carrier 4, ST5 -  Fuse carrier 5, H -  Heated rear window single fuse -S41- for civil vehicles: NEF - version (F4Z) only 64)  25 A - Signal system control unit -J616- 30 4 - Fuse 4 on fuse holder F -SF4- 15 A - Signal system control unit -J616- Driving school mode relay -J746- (from October 2012) 30 5 - Fuse 5 on fuse holder F -SF5- 5 A 15 A - Operating unit for special signals -E507- Signal system control unit -J616- 30 6 - Fuse 6 on fuse holder F -SF6- 3 A - Operating unit for special signals -E507- Signal system control unit -J616- Tachograph control unit -J621- 3-pin connector -T3d- Crash data recorder -J754- 15 7 - Fuse 7 on fuse holder F -SF7- 20 A - Special vehicle control unit -J608- 30 8 - Fuse 8 on fuse holder F -SF8- 10 A - Accident data memory -J754- 30 9 - Fuse 9 on fuse holder F -SF9- 10 A - 12 V socket 4 -U20- 30 10 - Fuse 10 on fuse holder F -SF10- 10 A - Battery regulation control unit -J84- 30 11 - Fuse 11 on fuse holder F -SF11- 10 A - Battery regulation control unit -J84- 30 12 - Fuse 12 on fuse holder F -SF12-   - Not assigned only for Avant models (5-door)     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder F -SF1- 30 A - Rear lid control unit 2 -J756- 30 2 - Fuse 2 on fuse holder F -SF2- 15 A - Trailer detector control unit -J345- 30 3 - Fuse 3 on fuse holder F -SF3- 20 A - Trailer detector control unit -J345- 30 4 - Fuse 4 on fuse holder F -SF4- 20 A - Trailer detector control unit -J345- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A - Electromechanical parking brake button -E538- 30 6 - Fuse 6 on fuse holder F -SF6- 15 A - Electronically controlled damping control unit -J250- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Control unit for electromechanical parking brake -J540- 30 8 - Fuse 8 on fuse holder F -SF8- 30 A - Convenience system central control unit -J393- 30 9 - Fuse 9 on fuse holder F -SF9- 35 A - All-wheel drive control unit -J492- 30 10 - Fuse 10 on fuse holder F -SF10- 30 A - Convenience system central control unit -J393- 30 11 - Fuse 11 on fuse holder F -SF11- 20 A - Convenience system central control unit -J393- 30 12 - Fuse 12 on fuse holder F -SF12- 5 A - Interface control unit for vehicle location system -J843- Control unit for fuel tank leak detection -J909- 30 only for Avant models (5-door)     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder F -SF1- 30 A - Rear lid control unit -J605- 30 2 - Fuse 2 on fuse holder F -SF2- 20 A - Relay for power sockets -J807- Cigarette lighter -U1- 12 V socket -U5- DC/AC converter with socket, 12 V-230 V -U13- 12 V socket 2 -U18- 12 V socket 3 -U19- 30 3 - Fuse 3 on fuse holder F -SF3- 40 A - Voltage stabiliser -J532- 30 4 - Fuse 4 on fuse holder F -SF4- 30 A - Voltage stabiliser -J532- Radio -R- Digital sound package control unit -J525- 30 5 - Fuse 5 on fuse holder F -SF5- 25 A - DC/AC converter with socket, 12 V-230 V -U13- 30 6 - Fuse 6 on fuse holder F -SF6- 30 A - Auxiliary heater control unit -J364- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Control unit for electromechanical parking brake -J540- 30 8 - Fuse 8 on fuse holder F -SF8- 30 A - Heated rear left seat switch with regulator -E128- Heated rear right seat switch with regulator -E129- 30 9 - Fuse 9 on fuse holder F -SF9- 30 A - Front right door 30 10 - Fuse 10 on fuse holder F -SF10- 5 A - Remote control receiver for auxiliary heater -R64- 30 11 - Fuse 11 on fuse holder F -SF11- 30 A - Rear right door 30 12 - Fuse 12 on fuse holder F -SF12- 5 A - Telephone transmitter and receiver unit -R36- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- 30 Fuses in fuse carrier ST5 on fuse holder F -SF- (black) 67)  only for Avant models (5-door)     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder F -SF1- 15 A - Front right seat ventilation control unit -J799- 30 2 - Fuse 2 on fuse holder F -SF2- 5 A - Relay for automatic anti-dazzle interior mirror -J910- Automatic anti-dazzle interior mirror -Y7- 30 3 - Fuse 3 on fuse holder F -SF3- 30 A - Supply fuse carrier 2 -ST2-fuse 1 on fuse holder D -SD1- to fuse 4 on fuse holder D -SD4- 30 4 - Fuse 4 on fuse holder F -SF4- 7.5 A - Control unit 1 for information electronics -J794- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A - Chip card reader control unit -J676- Radio -R- TV tuner -R78- 30 6 - Fuse 6 on fuse holder F -SF6- 5 A - Reversing camera system control unit -J772- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Heated rear window relay -J9- Heated rear window -Z1- 30 8 - Fuse 8 on fuse holder F -SF8- 5 A - Preparation for multimedia system: 2-pin connector, in driver seat backrest -T2dy- 2-pin connector, in front passenger seat backrest -T2dz- 30 9 - Fuse 9 on fuse holder F -SF9-   - Not assigned   10 - Fuse 10 on fuse holder F -SF10-   - Not assigned   11 - Fuse 11 on fuse holder F -SF11- 30 A - Control unit for reducing agent metering system -J880- 30 12 - Fuse 12 on fuse holder F -SF12- 10 A - Control unit for reducing agent metering system -J880- 30 only for saloon models (4-door)     Item   Current Flow Diagram designation Nominal value   Function/component Terminal H - Heated rear window single fuse -S41- 40 A - Heated rear window relay -J9- Heated rear window -Z1- 30 AUDI A4 2013 Terminal 30 wiring junction 2 TV22 with Jump start socket U6 up to October 2011 Terminal 30 wiring junction 2 -TV22- with Jump start socket -U6- up to October 2011 Fitting location: in engine compartment - centre of plenum chamber.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  Terminal 30 wiring junction 2 -TV22- B -  Jump start socket -U6- 1 -  Fuse 1 (30) -S204-, 2 -  Fuse 2 (30) -S205-, S204 (600 W) and S205 (400 W) are installed in models with radiator fan control 1000 W 71)  Radiator fan control 600 W 30 2 - Fuse 2 (30) -S205- 40 A - Radiator fan control 400 W 30 AUDI A4 2013 Terminal 30 wiring junction 2 TV22 with Jump start socket U6 from November 2011 Terminal 30 wiring junction 2 -TV22- with Jump start socket -U6- from November 2011 Fitting location for models from November 2011: in engine compartment - centre of plenum chamber.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  Terminal 30 wiring junction 2 -TV22- B -  Jump start socket -U6- 1 -  Fuse 1 (30) -S204-, 2 -  Fuse 2 (30) -S205-, 3 -  Fuse 3 (30) -S206-, S204 (600 W) and S205 (400 W) are installed in models with radiator fan control 1000 W 73)  Radiator fan control 600 W 30 2 - Fuse 2 (30) -S205- 40 A - Radiator fan control 400 W 30 3 - Fuse 3 (30) -S206- 110 A - Power steering control unit -J500- 30 AUDI A4 2013 3-pin relay and fuse holder 3-pin relay and fuse holder Only models with diesel engine   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car C -  Auxiliary heater fuse -S126-, 40 A D -  Auxiliary heater fuse 2 -S328-, 60 A Only models with diesel engine   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car C -  Auxiliary heater fuse -S126-, 40 A D -  Auxiliary heater fuse 2 -S328-, 60 A AUDI A4 2013 6-pin coupling station of A-pillar, driver side 6-pin coupling station of A-pillar, driver side .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car F -  Front passenger seat adjustment thermal fuse 1 -S46-, 15 A G -  Driver seat adjustment thermal fuse 1 -S44-, 15 A .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car F -  Driver seat adjustment thermal fuse 1 -S44-, 15 A G -  Front passenger seat adjustment thermal fuse 1 -S46-, 15 A AUDI A4 2013 6-pin coupling station of A-pillar, front passenger side 6-pin coupling station of A-pillar, front passenger side Fitting location of 6-pin coupling station of A-pillar front passenger side for models with left-hand drive in front passenger footwell on A-pillar, behind side trim   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car for models with right-hand drive only, for models with left-hand drive 77)  applicable from November 2011   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car F -  ABS control unit fuse 1 -S123-, 40 A G1 -  ABS control unit fuse 3 -S137-, 25 A G2 -  ABS control unit fuse 2 -S124-, 10 A / 5 A AUDI A4 2013 Relay/fuse holder with onboard supply control unit J519 Relay/fuse holder with onboard supply control unit -J519- Location, relay and fuse holder with onboard supply control unit -J519- for models with left-hand drive: Below the dash panel, driver side 79)  for models with left-hand drive only, for models with right-hand drive   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  ABS control unit fuse 1 -S123-, 40 A .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  Not assigned AUDI A4 2013 Overview of earth points - saloon models (4-door) Overview of earth points - saloon models (4-door)   Note Overview of Ground Connections - Avant (5-door)     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    685 Earth point 1, on front of right longitudinal member q   Fitting location: q   Overview of Avant models (5-door):    638 Earth point, right A-pillar q   Fitting location: q   Overview of Avant models (5-door):    688 Earth point 2, on centre tunnel q   Fitting location: q   Overview of Avant models (5-door):    687 Earth point 1, on centre tunnel q   Fitting location: q   Overview of Avant models (5-door):    730 Earth point 1, on right rear wheel housing q   Fitting location: q   Overview of Avant models (5-door):    62 Earth point, right C-pillar q   Fitting location:    51 Earth point, on right in luggage compartment q   Fitting location: q   Overview of Avant models (5-door):    624 Earth point, starter battery q   Fitting location: q   Overview of Avant models (5-door):    61 Earth point, left C-pillar q   Fitting location: q   Overview of Avant models (5-door):    50 Earth point, on left in luggage compartment q   Fitting location: q   Overview of Avant models (5-door):    602 Earth point, in front left footwell q   Fitting location: q   Overview of Avant models (5-door):    639 Earth point, left A-pillar q   Fitting location: q   Overview of Avant models (5-door):    12 Earth point, on left in engine compartment q   Fitting location: q   Overview of Avant models (5-door):    615 Earth point, on left suspension strut q   Fitting location: q   Overview of Avant models (5-door):    671 Earth point 1, on front of left longitudinal member q   Fitting location: q   Overview of Avant models (5-door): AUDI A4 2013 Overview of earth points - Avant models (5-door) Overview of earth points - Avant models (5-door)   Note Overview of earth points - saloon models (4-door)     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    685 Earth point 1, on front of right longitudinal member q   Fitting location:    638 Earth point, right A-pillar q   Fitting location:    688 Earth point 2, on centre tunnel q   Fitting location:    687 Earth point 1, on centre tunnel q   Fitting location:    730 Earth point 1, on right rear wheel housing q   Fitting location:    654 Earth point, right D-pillar q   Fitting location:    624 Earth point, starter battery q   Fitting location:    61 Earth point, left C-pillar q   Fitting location:    50 Earth point, on left in luggage compartment q   Fitting location:    51 Earth point, on right in luggage compartment q   Fitting location:    602 Earth point, in front left footwell q   Fitting location:    639 Earth point, left A-pillar q   Fitting location:    12 Earth point, on left in engine compartment q   Fitting location:    615 Earth point, on left suspension strut q   Fitting location:    671 Earth point 1, on front of left longitudinal member q   Fitting location:    671 Earth point 1, on front of left longitudinal member Location: on longitudinal member, near front left wheel housing Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    615 Earth point, on left suspension strut Location: on the front left suspension strut chamber Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    12 Earth point, on left in engine compartment Location: Between suspension strut chamber and front left plenum chamber Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    685 Earth point 1, on front of right longitudinal member Location: on front of right longitudinal member, behind wheel housing Torque: 20 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    639 Earth point, left A-pillar Location: behind lower left A-pillar trim Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    638 Earth point, right A-pillar Location: behind lower right A-pillar trim Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    687 Earth point 1, on centre tunnel Location: On the left side of the centre tunnel Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    688 Earth point 2, on centre tunnel Location: On the right side of the centre tunnel Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    730 Earth point 1, on right rear wheel housing -arrow- Location: near front of rear right wheel housing, under sill panel trim Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    61 Earth point, left C-pillar -arrow- Location: Under left C-pillar trim, near rear window Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    62 Earth point, right C-pillar -upper arrow- Location: Under right C-pillar trim, near rear window Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    50 Earth point, on left in luggage compartment -arrow- Location: Under side trim, left in luggage compartment, near wheel housing Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    51 Earth point, on right in luggage compartment -arrow- Location: Under side trim, right in luggage compartment, near wheel housing Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    61 Earth point, left C-pillar -arrow- Location: behind the trim of left side panel, behind C-pillar Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    654 Earth point, right D-pillar Location: behind upper right D-pillar trim Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    624 Earth point, starter battery Location: under the floor panel in the luggage compartment, right next to the starter battery Torque: 18 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    602 Earth point, in front left footwell -arrow- Location: Under the carpet in the driver's footwell   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car AUDI A4 2013 Overview of coupling stations

Overview of coupling stations

q	Location for models with right-handdrive only:

q	Location for models with right-handdrive only:

q	Location for models with -R199- als Audi music interface (AMI - CAN):

q	Location for models with -R199- als AUX connection:

q	Location for models with right-handdrive only:

q	Location for models with right-handdrive only:

Relay- /Fuse holder B -SB-

q	Pin and screw connection: -T17q-, -T17r-, -T17t-, 501

q	Location for models with left-handdrive only:

q	Location for models with right-handdrive only:

AUDI A4 2013 6-pin coupling station of A-pillar front passenger side 6-pin coupling station of A-pillar front passenger side applicable up to model year 2009 2)  applicable from model year 2010   Note t  Figure shows left-handdrive model. t  Figure for right-handdrive models .

1 -	10-pin connector, black -T10y-

2 -	10-pin connector, red -T10ab-

2 -	17-pin connector, yellow -T17x-

3 -	17-pin connector, blue -T17a-

4 -	17-pin connector, black -T17g-

5 -	17-pin connector, brown -T17f-

6 -	10-pin connector, grey -T10ac-

6 -	17-pin connector, white -T17w-

D -	5-pin connector, yellow -T5c-

applicable up to model year 2009 4)  .

1 -	10-pin connector, black -T10y-

2 -	10-pin connector, red -T10ab-

2 -	17-pin connector, yellow -T17x-

3 -	17-pin connector, blue -T17a-

4 -	17-pin connector, black -T17g-

5 -	17-pin connector, brown -T17f-

6 -	10-pin connector, grey -T10ac-

6 -	17-pin connector, white -T17w-

D -	5-pin connector, yellow -T5c-

AUDI A4 2013 Fuse holder D SD Fuse holder D -SD- Fitting location Fuse holder D -SD- for models with left-handdrive: Below the dash panel cover, front passenger side   Note t  Figure shows left-handdrive model. t  Figure for right-handdrive models .

A -	46-pin connector, black, CAN disconnector, dash panel -T46s-

.

A -	46-pin connector, black, CAN disconnector, dash panel -T46s-

AUDI A4 2013 Coupling station seat wiring driver side Coupling station seat wiring driver side Location: under driver seat in vehicle floor Connectors: 1 -  6-pin connector, green -T6l- 2 -  10-pin connector, red -T10p- 3 -  10-pin connector, black -T10o- 4 -  2-pin connector, blue-purple -T2da- 5 -  3-pin connector, yellow -T3k-

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

AUDI A4 2013 Coupling station seat wiring front passenger side Coupling station seat wiring front passenger side Location: under front passenger seat in vehicle floor Connectors: 1 -  6-pin connector, green -T6k- 2 -  10-pin connector, red -T10m- 3 -  10-pin connector, black -T10n- 4 -  2-pin connector, blue-purple -T2db- 5 -  3-pin connector, yellow -T3h- AUDI A4 2013 6-pin coupling station of A-pillar driver side 6-pin coupling station of A-pillar driver side applicable up to model year 2009   Note t  Figure shows left-handdrive model. t  Figure for right-handdrive models .

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

1 -	17-pin connector, green -T17j-

2 -	17-pin connector, red -T17e-

3 -	Not assigned

4 -	17-pin connector, brown -T17d-

5 -	17-pin connector, black -T17c-

6 -	17-pin connector, blue -T17b-

A -	5-pin connector, yellow -T5b-

E -	46-pin connector, black, CAN disconnector -T46i-

applicable up to model year 2009   Note t  Figure shows right-handdrive model. t  Figure for left-handdrive models .

1 -	17-pin connector, green -T17j-

2 -	17-pin connector, red -T17e-

3 -	Not assigned

4 -	17-pin connector, brown -T17d-

5 -	17-pin connector, black -T17c-

6 -	17-pin connector, blue -T17b-

A -	5-pin connector, yellow -T5b-

E -	46-pin connector, black, CAN disconnector -T46i-

AUDI A4 2013 Relay- / Fuse holder B SB Relay- /Fuse holder B -SB- Location: Relay- /Fuse holder B -SB- for models with left-handdrive: In electronics box in plenum chamber, driver side

t	Figure shows left-handdrive model.

t	Figure for right-handdrive models .

G -	17-pin connector, red -T17q-

H -	17-pin connector, white -T17r-

I -	17-pin connector, brown -T17t-

M -	501Screw connection 2 (30), on relay plate

.

G -	17-pin connector, red -T17q-

H -	17-pin connector, white -T17r-

I -	17-pin connector, brown -T17t-

M -	501Screw connection 2 (30), on relay plate

AUDI A4 2013 Relay- /fuse holder with Onboard supply control unit J519 Relay- /fuse holder with Onboard supply control unit -J519- .

6 -	500Screw connection 1 (30), on relay plate

.

5 -	500Screw connection 1 (30), on relay plate

AUDI A4 2013 Connection for external audio source R199 als Audi music interface (AMI - MOST) Connection for external audio source -R199- als Audi music interface (AMI - MOST) Location: In glove compartment.   Note for models with Audi music interface only (AMI - MOST) only.

A -	Connection for external audio source -R199-

AUDI A4 2013 Connection for external audio source R199 als Audi music interface (AMI - CAN) Connection for external audio source -R199- als Audi music interface (AMI - CAN) Location: In glove compartment.   Note for models with Audi music interface only (AMI - CAN) only.

A -	Connection for external audio source -R199-

AUDI A4 2013 Connection for external audio source R199 als AUX connection

Connection for external audio source -R199- als AUX connection

Location:

in centre console

for models with AUX connection only.

   

A -	Connection for external audio source -R199-